INTERVIEW QUESTIONS WEB CSS DETAILS

Question: If one were to set Text and Link colors using a style sheet, should one also define the background colors for these elements as well?

Answer: It is generally true that you should give background or background-color a value, but not necessarily a color value. E.g., if the document has a background image, you would "highlight" all links if you give them a background color.

body { background-image: url(light-texture.png) #FFF; color: #000 }
a:link, a:visited, a:active { color: #00F; background-color: transparent; }

By setting the background-image explicitly to transparent, you lower the risk of another rule in the cascade giving links a background that would highlight them.

It is generally true that you should give background or background-color a value, but not necessarily a color value. E.g., if the document has a background image, you would "highlight" all links if you give them a background color.

body { background-image: url(light-texture.png) #FFF; color: #000 }
a:link, a:visited, a:active { color: #00F; background-color: transparent; }

By setting the background-image explicitly to transparent, you lower the risk of another rule in the cascade giving links a background that would highlight them. Source: CoolInterview.com

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